Code S
Open-Market Sale
The insider voluntarily sold shares on the open market. High signal when it is a discretionary sale not tied to a 10b5-1 plan. Must be interpreted in context of the insider's total holdings.
Context-dependent bearish signal
Code S can be bearish when discretionary and large, but weak when tied to 10b5-1 plans, diversification, or small liquidity needs.
How to read Code S
- Start by confirming whether the transaction appears in Table I or Table II.
- Compare the transaction value against the insider's remaining ownership.
- Read footnotes for 10b5-1 plans, tax withholding, trusts, gifts, or issuer-directed actions.
- Do not mix compensation mechanics with voluntary open-market buying or selling.
Form 4 Code S — FAQ
>What does Form 4 Code S mean?
Form 4 Code S means Open-Market Sale. The exact investment signal depends on whether the transaction is voluntary, mechanical, compensation-related, or disclosed with additional footnotes.
>Is Form 4 Code S bullish or bearish?
Code S can be bearish when discretionary and large, but weak when tied to 10b5-1 plans, diversification, or small liquidity needs.
>How should investors use Code S in insider trading analysis?
Investors should compare the code against transaction value, remaining ownership, insider rank, timing, and related transactions before assigning sentiment.